30442074 has 32 divisors (see below), whose sum is σ = 65790144. Its totient is φ = 9335040.

The previous prime is 30442051. The next prime is 30442079. The reversal of 30442074 is 47024403.

It is not an unprimeable number, because it can be changed into a prime (30442079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34114 + ... + 34994.

It is an arithmetic number, because the mean of its divisors is an integer number (2055942).

Almost surely, 2^30442074 is an apocalyptic number.

30442074 is an abundant number, since it is smaller than the sum of its proper divisors (35348070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30442074 is a wasteful number, since it uses less digits than its factorization.

30442074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 30442074 is about 5517.4336425552. The cubic root of 30442074 is about 312.2420664168.

Adding to 30442074 its reverse (47024403), we get a palindrome (77466477).

The spelling of 30442074 in words is "thirty million, four hundred forty-two thousand, seventy-four".